PT-2026-51076 · Nuget · Corewcf.Primitives

Published 2026-06-19 · Updated 2026-06-19 · CVE-2026-54779

OSV

CVSS v3.1

5.9

Medium

Base vector

AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N

Impact

When enabling DetectReplayedTokens, a token can be replayed and will be detected despite it being reused.

Patches

Fixed in CoreWCF v1.8.1 and v1.9.1

Workarounds

Provide your own implementation of ITokenReplayCache with the correct behavior.

Fix

Insufficient Session Expiration

Weakness Enumeration

CWE-294

CWE-613

Related Identifiers

CVE-2026-54779

GHSA-9JR3-RJ99-8JQ3

Affected Products

Corewcf.Primitives

References · 3

• https://osv.dev/vulnerability/GHSA-9jr3-rj99-8jq3 · Vendor Advisory
• https://github.com/CoreWCF/CoreWCF · Note
• https://github.com/CoreWCF/CoreWCF/security/advisories/GHSA-9jr3-rj99-8jq3 · Note